0001209191-23-031889.txt : 20230524 0001209191-23-031889.hdr.sgml : 20230524 20230524163901 ACCESSION NUMBER: 0001209191-23-031889 CONFORMED SUBMISSION TYPE: 4 PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20230522 FILED AS OF DATE: 20230524 DATE AS OF CHANGE: 20230524 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: EVNIN LUKE CENTRAL INDEX KEY: 0001134657 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38811 FILM NUMBER: 23954671 MAIL ADDRESS: STREET 1: THE JOHN HANCOCK TOWER STREET 2: 200 CLARENDON STREET, 54TH STREET CITY: BOSTON STATE: MA ZIP: 02116 REPORTING-OWNER: OWNER DATA: COMPANY CONFORMED NAME: MPM ASSET MANAGEMENT LLC CENTRAL INDEX KEY: 0001263048 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 4 SEC ACT: 1934 Act SEC FILE NUMBER: 001-38811 FILM NUMBER: 23954672 BUSINESS ADDRESS: STREET 1: 399 BOYLSTON STREET, SUITE 1100 CITY: BOSTON STATE: MA ZIP: 02116 BUSINESS PHONE: 6174259200 MAIL ADDRESS: STREET 1: 399 BOYLSTON STREET, SUITE 1100 CITY: BOSTON STATE: MA ZIP: 02116 ISSUER: COMPANY DATA: COMPANY CONFORMED NAME: TCR2 THERAPEUTICS INC. CENTRAL INDEX KEY: 0001750019 STANDARD INDUSTRIAL CLASSIFICATION: BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836] IRS NUMBER: 474152751 STATE OF INCORPORATION: DE FISCAL YEAR END: 1231 BUSINESS ADDRESS: STREET 1: 100 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 BUSINESS PHONE: 617-949-5200 MAIL ADDRESS: STREET 1: 100 BINNEY STREET CITY: CAMBRIDGE STATE: MA ZIP: 02142 4 1 doc4.xml FORM 4 SUBMISSION X0407 4 2023-05-22 0 0001750019 TCR2 THERAPEUTICS INC. TCRR 0001263048 MPM ASSET MANAGEMENT LLC C/O MPM CAPITAL 399 BOYLSTON STREET, SUITE 1100 BOSTON MA 02116 0 0 1 0 0001134657 EVNIN LUKE C/O MPM CAPITAL 399 BOYLSTON STREET, SUITE 1100 BOSTON MA 02116 0 0 1 0 0 Common Stock 2023-05-22 4 X 0 178269 0.74 A 374171 D Common Stock 2023-05-22 4 S 0 70170 1.88 D 304001 D Common Stock 3370977 I See Footnote Common Stock Warrant (Right To Buy) 0.74 2023-05-22 4 X 0 42761 0.00 D 2016-12-13 2026-12-12 Common Stock 42761 0 D Common Stock Warrant (Right to Buy) 0.74 2023-05-22 4 X 0 135508 0.00 D 2017-12-06 2027-12-05 Common Stock 135508 0 D On May 22, 2023, MPM Asset Management LLC ("AM LLC") exercised warrants to purchase 178,269 shares of the Issuer's common stock for $0.74 a share. AM LLC paid the exercise price on a cashless basis, resulting in the Issuer's withholding of 70,170 of the warrant shares to satisfy the exercise price and issuing to AM LLC the remaining 108,099 shares. The shares are held as follows: 3,056,272 by MPM BioVentures 2014, L.P. ("BV 2014"), 203,846 by MPM BioVentures 2014(B), L.P. ("BV 2014(B)") and 110,859 by MPM Asset Management Investors BV2014 LLC ("AM BV2014"). MPM BioVentures 2014 GP LLC and MPM BioVentures 2014 LLC ("BV LLC") are the direct and indirect general partners of BV 2014 and BV 2014(B) and BV LLC is the manager of AM BV 2014. Luke Evnin is a managing director of BV LLC and disclaims beneficial ownership of the reported securities except to the extent of his pecuniary interest therein. /s/ Luke Evnin, member of MPM Asset Management LLC 2023-05-24 /s/ Luke Evnin 2023-05-24